Performance optimization plugins on React sites

Performance and optimization plugins detected on the page.

Field data PhoneDesktopAll Scope All sites October 2026 edition · Phone field outcomes · React sites only
React Scoped to 9,570 sites out of 210,902 analyzed (frameworks) Compare with all sites →

34.8% of React sites use WP Rocket performance optimization plugins, and 67% of those sites pass all three Core Web Vitals, against 74% of all React sites.

The State of Web Vitals · October 2026 · React: 9,570 crawled sites · 5,488 with phone field data · 618 sites with performance optimization pluginsBy Arjen Karel · corewebvitals.io/state-of-cwv
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Core Web Vitals pass rate

Sites with WP Rocket performance optimization plugins pass all three Core Web Vitals most often: 67%, against 74% of all React sites.

SitesAll three good · at least one needs improvement · at least one poor
All React sites5,48874%
FlyingPress 2.3%683%
LiteSpeed Cache 25.9%9169%
WP Rocket 34.8%14267%
Autoptimize 21.4%7157%
WP Fastest Cache 11.0%4248%
Cloudflare APO 6.8%2935%
W3 Total Cache 1.3%60%
GoodNeeds improvementPoorSites: with Chrome field data
The State of Web Vitals · October 2026 · React: 9,570 crawled sites · 5,488 with phone field data · 618 sites with performance optimization pluginsBy Arjen Karel · corewebvitals.io/state-of-cwv
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Performance optimization plugins usage

WP Rocket is the most used: 34.8% of React sites.

Sites using each option (sites can use more than one) 618 sites
WP Rocket 34.8% LiteSpeed Cache 25.9% Autoptimize 21.4% WP Fastest Cache 11.0%
WP Rocket 34.8% LiteSpeed Cache 25.9% Autoptimize 21.4% WP Fastest Cache 11.0% Cloudflare APO 6.8% FlyingPress 2.3% W3 Total Cache 1.3%
The State of Web Vitals · October 2026 · React: 9,570 crawled sites · 5,488 with phone field data · 618 sites with performance optimization pluginsBy Arjen Karel · corewebvitals.io/state-of-cwv
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Where optimization plugins save time: the four LCP phases

Median LCP phase breakdown (Chrome field p75) Load delay Median LCP
React sites with performance optimization plugins 2881126 ms332 mslab 321 ms1.9s
WP Rocket 116883 ms277 mslab 275 ms1.7s
Autoptimize 571425 ms351 mslab 367 ms2.2s
WP Fastest Cache 311389 ms393 mslab 402 ms2.2s
LiteSpeed Cache 651023 ms401 mslab 381 ms1.8s
TTFB Resource load delay Resource load time Element render delay
The State of Web Vitals · October 2026 · React: 9,570 crawled sites · 5,488 with phone field data · 618 sites with performance optimization pluginsBy Arjen Karel · corewebvitals.io/state-of-cwv
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Performance optimization plugins per platform

On WordPress, 35% of sites use WP Rocket performance optimization plugins, and 55% of WordPress sites pass all three Core Web Vitals, against 74% of all sites.

PlatformPerformance optimization plugins on its sitesPass all three
React sites with performance optimization plugins 618 sitesWP Rocket 35%LiteSpeed Cache 26%Autoptimize 21%WP Fastest Cache 11%74%
WordPress 590 sitesWP Rocket 35%LiteSpeed Cache 26%Autoptimize 22%WP Fastest Cache 11%55%
WP Rocket LiteSpeed Cache Autoptimize WP Fastest Cache Cloudflare APO FlyingPress W3 Total Cache
The State of Web Vitals · October 2026 · React: 9,570 crawled sites · 5,488 with phone field data · 618 sites with performance optimization pluginsBy Arjen Karel · corewebvitals.io/state-of-cwv
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Optimization plugins or the platform

Does the platform explain the performance optimization plugins difference?

On WordPress, 68% of sites with WP Rocket performance optimization plugins pass all three Core Web Vitals, against 69% of WordPress sites with LiteSpeed Cache. Within WordPress, sites with WP Rocket and LiteSpeed Cache pass all three about equally often.

The State of Web Vitals · October 2026 · React: 9,570 crawled sites · 5,488 with phone field data · 618 sites with performance optimization pluginsBy Arjen Karel · corewebvitals.io/state-of-cwv
Related signals JS framework → Ad networks on page → Analytics on page → Third-party categories → By Arjen Karel · 9,570 crawled React sites (5,488 with phone Chrome field data, 618 sites with performance optimization plugins, October 2026) · How we measured